Ninhydrin working solution

Purpose

Develop sweat fingerprints on porous surface.

Description

Seal the prepared ninhydrin solution in an ampule, and encapsulate the ampule with a plastic sleeve. The solution can be stored for several years.

Specifications

Method

Crush the ampule with special pliers or hammer, then the solution flows out but is still sealed in the plastic sleeve, and then cut the top of the plastic sleeve with scissors. Pour the solution onto the exhibit. After the solution volatilizes, put the exhibit into a plastic bag, blow in as much moisture as possible and seal the plastic bag mouth. At room temperature, the fingerprint will occur within 24 hours. Place the exhibit in the ninhydrin fuming chamber. In temperature of 60°C and relative humidity of 80%, the fingerprint will occur in about 10 minutes.

10ml solution can saturate a whole sheet of A4 paper.

Crush the ampule with special pliers or hammer

Cut the top of the plastic sleeve with scissors

Saturate the exhibit suspected to contain fingerprint with solution

Fingerprint development effect on paper

Product Application

Application areas for our products include crime scene investigation, fingerprint collection and development, footprint collection and development, tool marks collection, trace evidence collection, documents examination, forensic medical examination, forensic evidence collection, DNA collection, DNA disinfection, criminal photography, criminal investigation light source, narcotic drugs test, poison test, evidence packaging, evidence marking, crime scene plotting, crime scene protection, human body protection on crime scene.

Our Service

We can provide reliable product and service for you.

1. Q: Is it a reliable company?

A: Beijing Bulant Police Equipment Co.,Ltd. is a company specialized in forensic product, such as: crime scene investigation, trace detection, fingerprint development and extraction, footprint extraction, micro-evidence extraction, files & documents inspection, gunshots detection, forensic examine, DNA extraction, criminal photograph, forensic light source, alcohol test, traffic scene investigation, drug & poison examine, evidence packaging, consumables in lab, etc.

2. Q: What about the delivery?

A: We can offer the door to door services by air or by sea just depend on your actual request. Such as DHL, UPS, TNT, FEDEX…

3. Q: What is the package?

A: Aluminum alloy case/carton case/wooden case.

4. Q: Do you have any timely technology supports?

A: We have a professional technology supporting team for your timely services. We prepare the technical documents for you, also you can contact us by telephone, webcam, online chat (google talk, MSN, skype, yahoo).

5. Q: What is the payment method?

A: T/T, WESTERN UNION, MONEY GRAM, ESCROW, PAYPAL

6. Q: Do you take part in the world exhibition every year?

A: Yes, we took part in exhibitions every year since 2008.